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Finding the Fourth Proportional to 213,893.30, 295,179.72 and 123,242.24

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Solution

The fourth proportional to 213,893.30, 295,179.72 and 123,242.24 is: 170,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,893.30 : 295,179.72 = 123,242.24 : x
  2. Step 2: Convert to fraction form
    213,893.30/295,179.72 = 123,242.24/x
  3. Step 3: Cross multiply
    213,893.30x = 295,179.72 × 123,242.24
  4. Step 4: Simplify right side
    213,893.30x = 36,378,609,895.37
  5. Step 5: Solve for x
    x = 36,378,609,895.37/213,893.30
  6. Step 6: Final answer
    x = 170,078.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.